NORMAN, Okla.-- The Sooners (5-2-1) will host USC (4-3), the 2007 National Champions, on Sunday, Sept. 20 at 1 p.m. The game is the first meeting between OU and the Trojans.

USC has won four out of the last five games since starting the year with a pair of losses to Texas A&M and St. Johns. The Trojans topped Gonzaga and Michigan last weekend and most recently won 1-0 at Oklahoma State on Friday.

Southern California finished third in the Pac 10 in 2008, a year removed from the program's first national title. The Trojans were picked third again in 2009 as they return 15 letterwinners and seven starters from last season's 16-5-2 club (5-3-1, Pac 10). Junior midfielder Alyssa Davila leads USC with three goals and seven points.

PromotionsOn Sunday, OU will celebrate Dads and Daughters Day and the end of Sooner Nation Weekend. The first 250 dads and daughters will receive magnetic photo frame. Students who attend Sunday's game will receive double Sooner Nation points. The team is available for autographs following all home games.

Tickets on SaleSingle game tickets for the 2009 soccer season are on sale. The 19-game regular season slate is highlighted by 11 regular season contests at the Sooners' home and one of the premier collegiate soccer facilities in the nation, John Crain Field at the OU Soccer Complex.

Please contact the OU Athletics Ticket Office at (405) 325-2424 or (800) 456-GoOU for more information.

On the WebFans can follow both games on the web with live stats on SoonerSports.com and a video webcast on Oklahoma All-Access.

Next WeekendOU remains home to open Big 12 play on Friday, Sept. 25 against Texas at 7 p.m. Two days later, the Sooners play host to Texas A&M on Sunday, Sept. 27 at 1 p.m.

Last Time OutOklahoma returned to the friendly confi nes of John Crain Field on Friday to record a 2-0 win over visiting Lamar in front of 734 fans. Junior Whitney Palmer and senior Ashley Farrand netted goals to help the Sooners improve to 5-2-1 on the year and end a twogame losing streak.

Friday Post-Game NotesThe game was the first in the series between OU and Lamar ... The Sooners led 1-0 at the half and are 4-0 when leading after the first 45 minutes this season ... Freshman goalkeeper Kelsey Devonshire recorded her fourth shutout of 2009, a mark that is tied for sixth best in a single season at OU and ranks fourth all-time in a career ... Whitney Palmer scored in her fi fth game this season (OU is 3-1-1 when she scores in 2009) and ranks second in the conference with seven scores ... The season total is tied for eighth all-time and ranks behind her eight goals scored last season ... The Sooners have fi red 20 or more shots in fi ve games this season with a 4-0-1 mark in those contests ... In addition, OU has registered double-digit shots on goal in each of those five contests.

Palmer Records Hat Trick; Moves into FourthJunior forward Whitney Palmer became the second player in school history to record a hat trick on Aug. 30 vs. Tulsa, tying the mark set by Logan Womack in 2002, the program's all-time leading goal scorer. Palmer was named the Big 12 Offensive Player of the Week for her efforts and has since moved into sole possession of fourth place on OU's all-time goals scored list. Below is a look the top four goal scorers in OU history:

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